the cfe treaty was established in 1990.
the treat was originally signed in 1990.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Select from: (I). 0 (II). 1 (III). 2 (IV). 3 (V). 4 (VI). 5
(IV).